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Finding the Third Proportional to 121,059,508 and 169,870,480

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Solution

The third proportional to 121,059,508 and 169,870,480 is: 238,361,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,059,508 : 169,870,480 = 169,870,480 : x
  2. Step 2: Convert to fraction form
    121,059,508/169,870,480 = 169,870,480/x
  3. Step 3: Cross multiply
    121,059,508x = 169,870,480 × 169,870,480
  4. Step 4: Simplify right side
    121,059,508x = 28,855,979,975,430,400
  5. Step 5: Solve for x
    x = 28,855,979,975,430,400/121,059,508
  6. Step 6: Final answer
    x = 238,361,946.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.