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Finding the Third Proportional to 18,953,490 and 27,719,397

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Solution

The third proportional to 18,953,490 and 27,719,397 is: 40,539,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,490 : 27,719,397 = 27,719,397 : x
  2. Step 2: Convert to fraction form
    18,953,490/27,719,397 = 27,719,397/x
  3. Step 3: Cross multiply
    18,953,490x = 27,719,397 × 27,719,397
  4. Step 4: Simplify right side
    18,953,490x = 768,364,970,043,609
  5. Step 5: Solve for x
    x = 768,364,970,043,609/18,953,490
  6. Step 6: Final answer
    x = 40,539,498.01

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.