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Finding the Third Proportional to 98,603,518 and 153,287,686

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Solution

The third proportional to 98,603,518 and 153,287,686 is: 238,298,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,603,518 : 153,287,686 = 153,287,686 : x
  2. Step 2: Convert to fraction form
    98,603,518/153,287,686 = 153,287,686/x
  3. Step 3: Cross multiply
    98,603,518x = 153,287,686 × 153,287,686
  4. Step 4: Simplify right side
    98,603,518x = 23,497,114,679,234,596
  5. Step 5: Solve for x
    x = 23,497,114,679,234,596/98,603,518
  6. Step 6: Final answer
    x = 238,298,948.72

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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.