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Finding the Third Proportional to 7,798,572 and 12,123,135

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Solution

The third proportional to 7,798,572 and 12,123,135 is: 18,845,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798,572 : 12,123,135 = 12,123,135 : x
  2. Step 2: Convert to fraction form
    7,798,572/12,123,135 = 12,123,135/x
  3. Step 3: Cross multiply
    7,798,572x = 12,123,135 × 12,123,135
  4. Step 4: Simplify right side
    7,798,572x = 146,970,402,228,225
  5. Step 5: Solve for x
    x = 146,970,402,228,225/7,798,572
  6. Step 6: Final answer
    x = 18,845,809.49

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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.