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Finding the Third Proportional to 8,573,315 and 18,492,709

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Solution

The third proportional to 8,573,315 and 18,492,709 is: 39,888,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573,315 : 18,492,709 = 18,492,709 : x
  2. Step 2: Convert to fraction form
    8,573,315/18,492,709 = 18,492,709/x
  3. Step 3: Cross multiply
    8,573,315x = 18,492,709 × 18,492,709
  4. Step 4: Simplify right side
    8,573,315x = 341,980,286,158,681
  5. Step 5: Solve for x
    x = 341,980,286,158,681/8,573,315
  6. Step 6: Final answer
    x = 39,888,921.17

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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.