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Finding the Third Proportional to 99,018,449 and 151,373,689.50

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Solution

The third proportional to 99,018,449 and 151,373,689.50 is: 231,411,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,018,449 : 151,373,689.50 = 151,373,689.50 : x
  2. Step 2: Convert to fraction form
    99,018,449/151,373,689.50 = 151,373,689.50/x
  3. Step 3: Cross multiply
    99,018,449x = 151,373,689.50 × 151,373,689.50
  4. Step 4: Simplify right side
    99,018,449x = 22,913,993,872,842,412
  5. Step 5: Solve for x
    x = 22,913,993,872,842,412/99,018,449
  6. Step 6: Final answer
    x = 231,411,359.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.