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Finding the Third Proportional to 30,975,488 and 63,939,688

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Solution

The third proportional to 30,975,488 and 63,939,688 is: 131,984,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,975,488 : 63,939,688 = 63,939,688 : x
  2. Step 2: Convert to fraction form
    30,975,488/63,939,688 = 63,939,688/x
  3. Step 3: Cross multiply
    30,975,488x = 63,939,688 × 63,939,688
  4. Step 4: Simplify right side
    30,975,488x = 4,088,283,701,537,344
  5. Step 5: Solve for x
    x = 4,088,283,701,537,344/30,975,488
  6. Step 6: Final answer
    x = 131,984,480.81

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.