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Finding the Third Proportional to 31,920,859 and 49,528,070

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Solution

The third proportional to 31,920,859 and 49,528,070 is: 76,847,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,859 : 49,528,070 = 49,528,070 : x
  2. Step 2: Convert to fraction form
    31,920,859/49,528,070 = 49,528,070/x
  3. Step 3: Cross multiply
    31,920,859x = 49,528,070 × 49,528,070
  4. Step 4: Simplify right side
    31,920,859x = 2,453,029,717,924,900
  5. Step 5: Solve for x
    x = 2,453,029,717,924,900/31,920,859
  6. Step 6: Final answer
    x = 76,847,233.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.