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Finding the Third Proportional to 824,372,490 and 1,777,881,478

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Solution

The third proportional to 824,372,490 and 1,777,881,478 is: 3,834,264,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,372,490 : 1,777,881,478 = 1,777,881,478 : x
  2. Step 2: Convert to fraction form
    824,372,490/1,777,881,478 = 1,777,881,478/x
  3. Step 3: Cross multiply
    824,372,490x = 1,777,881,478 × 1,777,881,478
  4. Step 4: Simplify right side
    824,372,490x = 3,160,862,549,815,464,448
  5. Step 5: Solve for x
    x = 3,160,862,549,815,464,448/824,372,490
  6. Step 6: Final answer
    x = 3,834,264,956.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.