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Finding the Third Proportional to 63,262,608 and 138,125,280

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Solution

The third proportional to 63,262,608 and 138,125,280 is: 301,577,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,262,608 : 138,125,280 = 138,125,280 : x
  2. Step 2: Convert to fraction form
    63,262,608/138,125,280 = 138,125,280/x
  3. Step 3: Cross multiply
    63,262,608x = 138,125,280 × 138,125,280
  4. Step 4: Simplify right side
    63,262,608x = 19,078,592,975,078,400
  5. Step 5: Solve for x
    x = 19,078,592,975,078,400/63,262,608
  6. Step 6: Final answer
    x = 301,577,718.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.