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Finding the Third Proportional to 10,990,560 and 16,812,210

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Solution

The third proportional to 10,990,560 and 16,812,210 is: 25,717,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,560 : 16,812,210 = 16,812,210 : x
  2. Step 2: Convert to fraction form
    10,990,560/16,812,210 = 16,812,210/x
  3. Step 3: Cross multiply
    10,990,560x = 16,812,210 × 16,812,210
  4. Step 4: Simplify right side
    10,990,560x = 282,650,405,084,100
  5. Step 5: Solve for x
    x = 282,650,405,084,100/10,990,560
  6. Step 6: Final answer
    x = 25,717,561.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.