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Finding the Third Proportional to 5,673,348 and 8,719,920

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Solution

The third proportional to 5,673,348 and 8,719,920 is: 13,402,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673,348 : 8,719,920 = 8,719,920 : x
  2. Step 2: Convert to fraction form
    5,673,348/8,719,920 = 8,719,920/x
  3. Step 3: Cross multiply
    5,673,348x = 8,719,920 × 8,719,920
  4. Step 4: Simplify right side
    5,673,348x = 76,037,004,806,400
  5. Step 5: Solve for x
    x = 76,037,004,806,400/5,673,348
  6. Step 6: Final answer
    x = 13,402,492.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.