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Finding the Third Proportional to 387,798,548 and 580,323,840

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Solution

The third proportional to 387,798,548 and 580,323,840 is: 868,429,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,798,548 : 580,323,840 = 580,323,840 : x
  2. Step 2: Convert to fraction form
    387,798,548/580,323,840 = 580,323,840/x
  3. Step 3: Cross multiply
    387,798,548x = 580,323,840 × 580,323,840
  4. Step 4: Simplify right side
    387,798,548x = 336,775,759,272,345,600
  5. Step 5: Solve for x
    x = 336,775,759,272,345,600/387,798,548
  6. Step 6: Final answer
    x = 868,429,655.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.