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Finding the Third Proportional to 88,636,880 and 136,157,101

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Solution

The third proportional to 88,636,880 and 136,157,101 is: 209,153,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,636,880 : 136,157,101 = 136,157,101 : x
  2. Step 2: Convert to fraction form
    88,636,880/136,157,101 = 136,157,101/x
  3. Step 3: Cross multiply
    88,636,880x = 136,157,101 × 136,157,101
  4. Step 4: Simplify right side
    88,636,880x = 18,538,756,152,724,200
  5. Step 5: Solve for x
    x = 18,538,756,152,724,200/88,636,880
  6. Step 6: Final answer
    x = 209,153,979.16

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.