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Finding the Third Proportional to 317,404,444.50 and 687,776,562

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Solution

The third proportional to 317,404,444.50 and 687,776,562 is: 1,490,327,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,404,444.50 : 687,776,562 = 687,776,562 : x
  2. Step 2: Convert to fraction form
    317,404,444.50/687,776,562 = 687,776,562/x
  3. Step 3: Cross multiply
    317,404,444.50x = 687,776,562 × 687,776,562
  4. Step 4: Simplify right side
    317,404,444.50x = 473,036,599,236,539,840
  5. Step 5: Solve for x
    x = 473,036,599,236,539,840/317,404,444.50
  6. Step 6: Final answer
    x = 1,490,327,584.99

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.