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Finding the Third Proportional to 14,867,421.75 and 20,936,920.50

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Solution

The third proportional to 14,867,421.75 and 20,936,920.50 is: 29,484,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867,421.75 : 20,936,920.50 = 20,936,920.50 : x
  2. Step 2: Convert to fraction form
    14,867,421.75/20,936,920.50 = 20,936,920.50/x
  3. Step 3: Cross multiply
    14,867,421.75x = 20,936,920.50 × 20,936,920.50
  4. Step 4: Simplify right side
    14,867,421.75x = 438,354,640,023,320.25
  5. Step 5: Solve for x
    x = 438,354,640,023,320.25/14,867,421.75
  6. Step 6: Final answer
    x = 29,484,240.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.