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Finding the Third Proportional to 62,980,900,891 and 138,799,315,525

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Solution

The third proportional to 62,980,900,891 and 138,799,315,525 is: 305,890,352,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980,900,891 : 138,799,315,525 = 138,799,315,525 : x
  2. Step 2: Convert to fraction form
    62,980,900,891/138,799,315,525 = 138,799,315,525/x
  3. Step 3: Cross multiply
    62,980,900,891x = 138,799,315,525 × 138,799,315,525
  4. Step 4: Simplify right side
    62,980,900,891x = 19,265,249,990,208,506,560,512
  5. Step 5: Solve for x
    x = 19,265,249,990,208,506,560,512/62,980,900,891
  6. Step 6: Final answer
    x = 305,890,352,752.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.