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Finding the Third Proportional to 63,931,050 and 138,092,280

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Solution

The third proportional to 63,931,050 and 138,092,280 is: 298,281,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,931,050 : 138,092,280 = 138,092,280 : x
  2. Step 2: Convert to fraction form
    63,931,050/138,092,280 = 138,092,280/x
  3. Step 3: Cross multiply
    63,931,050x = 138,092,280 × 138,092,280
  4. Step 4: Simplify right side
    63,931,050x = 19,069,477,795,598,400
  5. Step 5: Solve for x
    x = 19,069,477,795,598,400/63,931,050
  6. Step 6: Final answer
    x = 298,281,942.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.