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Finding the Third Proportional to 6,990,399 and 9,444,465

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Solution

The third proportional to 6,990,399 and 9,444,465 is: 12,760,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,399 : 9,444,465 = 9,444,465 : x
  2. Step 2: Convert to fraction form
    6,990,399/9,444,465 = 9,444,465/x
  3. Step 3: Cross multiply
    6,990,399x = 9,444,465 × 9,444,465
  4. Step 4: Simplify right side
    6,990,399x = 89,197,919,136,225
  5. Step 5: Solve for x
    x = 89,197,919,136,225/6,990,399
  6. Step 6: Final answer
    x = 12,760,061.21

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.