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Finding the Third Proportional to 12,377,308 and 18,921,714

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Solution

The third proportional to 12,377,308 and 18,921,714 is: 28,926,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,308 : 18,921,714 = 18,921,714 : x
  2. Step 2: Convert to fraction form
    12,377,308/18,921,714 = 18,921,714/x
  3. Step 3: Cross multiply
    12,377,308x = 18,921,714 × 18,921,714
  4. Step 4: Simplify right side
    12,377,308x = 358,031,260,697,796
  5. Step 5: Solve for x
    x = 358,031,260,697,796/12,377,308
  6. Step 6: Final answer
    x = 28,926,424.12

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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.