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Finding the Third Proportional to 687,754,626.75 and 1,510,620,518.25

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Solution

The third proportional to 687,754,626.75 and 1,510,620,518.25 is: 3,318,006,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,754,626.75 : 1,510,620,518.25 = 1,510,620,518.25 : x
  2. Step 2: Convert to fraction form
    687,754,626.75/1,510,620,518.25 = 1,510,620,518.25/x
  3. Step 3: Cross multiply
    687,754,626.75x = 1,510,620,518.25 × 1,510,620,518.25
  4. Step 4: Simplify right side
    687,754,626.75x = 2,281,974,350,157,898,496
  5. Step 5: Solve for x
    x = 2,281,974,350,157,898,496/687,754,626.75
  6. Step 6: Final answer
    x = 3,318,006,541.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.