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Finding the Third Proportional to 13,188,374 and 19,920,364

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Solution

The third proportional to 13,188,374 and 19,920,364 is: 30,088,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,374 : 19,920,364 = 19,920,364 : x
  2. Step 2: Convert to fraction form
    13,188,374/19,920,364 = 19,920,364/x
  3. Step 3: Cross multiply
    13,188,374x = 19,920,364 × 19,920,364
  4. Step 4: Simplify right side
    13,188,374x = 396,820,901,892,496
  5. Step 5: Solve for x
    x = 396,820,901,892,496/13,188,374
  6. Step 6: Final answer
    x = 30,088,690.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.