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Finding the Third Proportional to 8,593,931 and 12,428,319

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Solution

The third proportional to 8,593,931 and 12,428,319 is: 17,973,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593,931 : 12,428,319 = 12,428,319 : x
  2. Step 2: Convert to fraction form
    8,593,931/12,428,319 = 12,428,319/x
  3. Step 3: Cross multiply
    8,593,931x = 12,428,319 × 12,428,319
  4. Step 4: Simplify right side
    8,593,931x = 154,463,113,165,761
  5. Step 5: Solve for x
    x = 154,463,113,165,761/8,593,931
  6. Step 6: Final answer
    x = 17,973,510.98

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.