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Finding the Third Proportional to 99,985,248 and 155,823,552

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Solution

The third proportional to 99,985,248 and 155,823,552 is: 242,845,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,985,248 : 155,823,552 = 155,823,552 : x
  2. Step 2: Convert to fraction form
    99,985,248/155,823,552 = 155,823,552/x
  3. Step 3: Cross multiply
    99,985,248x = 155,823,552 × 155,823,552
  4. Step 4: Simplify right side
    99,985,248x = 24,280,979,357,896,704
  5. Step 5: Solve for x
    x = 24,280,979,357,896,704/99,985,248
  6. Step 6: Final answer
    x = 242,845,618.16

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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.