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Finding the Third Proportional to 99,519,489 and 148,416,208.88

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Solution

The third proportional to 99,519,489 and 148,416,208.88 is: 221,337,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,519,489 : 148,416,208.88 = 148,416,208.88 : x
  2. Step 2: Convert to fraction form
    99,519,489/148,416,208.88 = 148,416,208.88/x
  3. Step 3: Cross multiply
    99,519,489x = 148,416,208.88 × 148,416,208.88
  4. Step 4: Simplify right side
    99,519,489x = 22,027,371,056,827,628
  5. Step 5: Solve for x
    x = 22,027,371,056,827,628/99,519,489
  6. Step 6: Final answer
    x = 221,337,260.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.