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Finding the Third Proportional to 20,897,391 and 32,277,742.50

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Solution

The third proportional to 20,897,391 and 32,277,742.50 is: 49,855,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897,391 : 32,277,742.50 = 32,277,742.50 : x
  2. Step 2: Convert to fraction form
    20,897,391/32,277,742.50 = 32,277,742.50/x
  3. Step 3: Cross multiply
    20,897,391x = 32,277,742.50 × 32,277,742.50
  4. Step 4: Simplify right side
    20,897,391x = 1,041,852,660,896,306.25
  5. Step 5: Solve for x
    x = 1,041,852,660,896,306.25/20,897,391
  6. Step 6: Final answer
    x = 49,855,633.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.