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Finding the Third Proportional to 28,778,891,428 and 64,174,982,641

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Solution

The third proportional to 28,778,891,428 and 64,174,982,641 is: 143,105,873,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778,891,428 : 64,174,982,641 = 64,174,982,641 : x
  2. Step 2: Convert to fraction form
    28,778,891,428/64,174,982,641 = 64,174,982,641/x
  3. Step 3: Cross multiply
    28,778,891,428x = 64,174,982,641 × 64,174,982,641
  4. Step 4: Simplify right side
    28,778,891,428x = 4,118,428,396,972,651,577,344
  5. Step 5: Solve for x
    x = 4,118,428,396,972,651,577,344/28,778,891,428
  6. Step 6: Final answer
    x = 143,105,873,528.04

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.