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Finding the Third Proportional to 4,005,315 and 8,607,813

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Solution

The third proportional to 4,005,315 and 8,607,813 is: 18,499,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,315 : 8,607,813 = 8,607,813 : x
  2. Step 2: Convert to fraction form
    4,005,315/8,607,813 = 8,607,813/x
  3. Step 3: Cross multiply
    4,005,315x = 8,607,813 × 8,607,813
  4. Step 4: Simplify right side
    4,005,315x = 74,094,444,642,969
  5. Step 5: Solve for x
    x = 74,094,444,642,969/4,005,315
  6. Step 6: Final answer
    x = 18,499,030.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.