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Finding the Third Proportional to 8,518,312 and 18,473,880

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Solution

The third proportional to 8,518,312 and 18,473,880 is: 40,064,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,312 : 18,473,880 = 18,473,880 : x
  2. Step 2: Convert to fraction form
    8,518,312/18,473,880 = 18,473,880/x
  3. Step 3: Cross multiply
    8,518,312x = 18,473,880 × 18,473,880
  4. Step 4: Simplify right side
    8,518,312x = 341,284,242,254,400
  5. Step 5: Solve for x
    x = 341,284,242,254,400/8,518,312
  6. Step 6: Final answer
    x = 40,064,773.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.