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Finding the Third Proportional to 31,920,871 and 49,528,089

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Solution

The third proportional to 31,920,871 and 49,528,089 is: 76,847,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,871 : 49,528,089 = 49,528,089 : x
  2. Step 2: Convert to fraction form
    31,920,871/49,528,089 = 49,528,089/x
  3. Step 3: Cross multiply
    31,920,871x = 49,528,089 × 49,528,089
  4. Step 4: Simplify right side
    31,920,871x = 2,453,031,599,991,921
  5. Step 5: Solve for x
    x = 2,453,031,599,991,921/31,920,871
  6. Step 6: Final answer
    x = 76,847,263.97

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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.