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Finding the Third Proportional to 98,593,915 and 212,776,550

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Solution

The third proportional to 98,593,915 and 212,776,550 is: 459,195,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,593,915 : 212,776,550 = 212,776,550 : x
  2. Step 2: Convert to fraction form
    98,593,915/212,776,550 = 212,776,550/x
  3. Step 3: Cross multiply
    98,593,915x = 212,776,550 × 212,776,550
  4. Step 4: Simplify right side
    98,593,915x = 45,273,860,229,902,496
  5. Step 5: Solve for x
    x = 45,273,860,229,902,496/98,593,915
  6. Step 6: Final answer
    x = 459,195,278.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.