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Finding the Third Proportional to 165,678,684.50 and 247,081,280

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Solution

The third proportional to 165,678,684.50 and 247,081,280 is: 368,479,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,678,684.50 : 247,081,280 = 247,081,280 : x
  2. Step 2: Convert to fraction form
    165,678,684.50/247,081,280 = 247,081,280/x
  3. Step 3: Cross multiply
    165,678,684.50x = 247,081,280 × 247,081,280
  4. Step 4: Simplify right side
    165,678,684.50x = 61,049,158,926,438,400
  5. Step 5: Solve for x
    x = 61,049,158,926,438,400/165,678,684.50
  6. Step 6: Final answer
    x = 368,479,259.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.