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Finding the Third Proportional to 253,532,730 and 555,669,348

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Solution

The third proportional to 253,532,730 and 555,669,348 is: 1,217,864,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,532,730 : 555,669,348 = 555,669,348 : x
  2. Step 2: Convert to fraction form
    253,532,730/555,669,348 = 555,669,348/x
  3. Step 3: Cross multiply
    253,532,730x = 555,669,348 × 555,669,348
  4. Step 4: Simplify right side
    253,532,730x = 308,768,424,306,745,088
  5. Step 5: Solve for x
    x = 308,768,424,306,745,088/253,532,730
  6. Step 6: Final answer
    x = 1,217,864,156.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.