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Finding the Third Proportional to 7,173,716 and 15,480,688

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Solution

The third proportional to 7,173,716 and 15,480,688 is: 33,406,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,716 : 15,480,688 = 15,480,688 : x
  2. Step 2: Convert to fraction form
    7,173,716/15,480,688 = 15,480,688/x
  3. Step 3: Cross multiply
    7,173,716x = 15,480,688 × 15,480,688
  4. Step 4: Simplify right side
    7,173,716x = 239,651,700,953,344
  5. Step 5: Solve for x
    x = 239,651,700,953,344/7,173,716
  6. Step 6: Final answer
    x = 33,406,912.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.