Home / 50,766,692.20-78,478,830.07

Finding the Third Proportional to 50,766,692.20 and 78,478,830.07

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Solution

The third proportional to 50,766,692.20 and 78,478,830.07 is: 121,318,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,766,692.20 : 78,478,830.07 = 78,478,830.07 : x
  2. Step 2: Convert to fraction form
    50,766,692.20/78,478,830.07 = 78,478,830.07/x
  3. Step 3: Cross multiply
    50,766,692.20x = 78,478,830.07 × 78,478,830.07
  4. Step 4: Simplify right side
    50,766,692.20x = 6,158,926,769,204,906
  5. Step 5: Solve for x
    x = 6,158,926,769,204,906/50,766,692.20
  6. Step 6: Final answer
    x = 121,318,260.10

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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.