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Finding the Third Proportional to 456,921,789 and 696,096,069

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Solution

The third proportional to 456,921,789 and 696,096,069 is: 1,060,465,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,921,789 : 696,096,069 = 696,096,069 : x
  2. Step 2: Convert to fraction form
    456,921,789/696,096,069 = 696,096,069/x
  3. Step 3: Cross multiply
    456,921,789x = 696,096,069 × 696,096,069
  4. Step 4: Simplify right side
    456,921,789x = 484,549,737,277,252,736
  5. Step 5: Solve for x
    x = 484,549,737,277,252,736/456,921,789
  6. Step 6: Final answer
    x = 1,060,465,377.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.