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Finding the Third Proportional to 98,600,880 and 153,870,438

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Solution

The third proportional to 98,600,880 and 153,870,438 is: 240,120,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600,880 : 153,870,438 = 153,870,438 : x
  2. Step 2: Convert to fraction form
    98,600,880/153,870,438 = 153,870,438/x
  3. Step 3: Cross multiply
    98,600,880x = 153,870,438 × 153,870,438
  4. Step 4: Simplify right side
    98,600,880x = 23,676,111,690,311,844
  5. Step 5: Solve for x
    x = 23,676,111,690,311,844/98,600,880
  6. Step 6: Final answer
    x = 240,120,693.55

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.