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Finding the Third Proportional to 98,826,616 and 153,208,780

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Solution

The third proportional to 98,826,616 and 153,208,780 is: 237,516,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,826,616 : 153,208,780 = 153,208,780 : x
  2. Step 2: Convert to fraction form
    98,826,616/153,208,780 = 153,208,780/x
  3. Step 3: Cross multiply
    98,826,616x = 153,208,780 × 153,208,780
  4. Step 4: Simplify right side
    98,826,616x = 23,472,930,269,088,400
  5. Step 5: Solve for x
    x = 23,472,930,269,088,400/98,826,616
  6. Step 6: Final answer
    x = 237,516,280.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.