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Finding the Third Proportional to 286,161,347 and 619,862,217

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Solution

The third proportional to 286,161,347 and 619,862,217 is: 1,342,701,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,161,347 : 619,862,217 = 619,862,217 : x
  2. Step 2: Convert to fraction form
    286,161,347/619,862,217 = 619,862,217/x
  3. Step 3: Cross multiply
    286,161,347x = 619,862,217 × 619,862,217
  4. Step 4: Simplify right side
    286,161,347x = 384,229,168,064,155,072
  5. Step 5: Solve for x
    x = 384,229,168,064,155,072/286,161,347
  6. Step 6: Final answer
    x = 1,342,701,144.27

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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.