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Finding the Third Proportional to 9,890,960 and 21,088,396

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Solution

The third proportional to 9,890,960 and 21,088,396 is: 44,962,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890,960 : 21,088,396 = 21,088,396 : x
  2. Step 2: Convert to fraction form
    9,890,960/21,088,396 = 21,088,396/x
  3. Step 3: Cross multiply
    9,890,960x = 21,088,396 × 21,088,396
  4. Step 4: Simplify right side
    9,890,960x = 444,720,445,852,816
  5. Step 5: Solve for x
    x = 444,720,445,852,816/9,890,960
  6. Step 6: Final answer
    x = 44,962,313.65

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.