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Finding the Third Proportional to 2,607,964 and 3,989,407

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Solution

The third proportional to 2,607,964 and 3,989,407 is: 6,102,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,964 : 3,989,407 = 3,989,407 : x
  2. Step 2: Convert to fraction form
    2,607,964/3,989,407 = 3,989,407/x
  3. Step 3: Cross multiply
    2,607,964x = 3,989,407 × 3,989,407
  4. Step 4: Simplify right side
    2,607,964x = 15,915,368,211,649
  5. Step 5: Solve for x
    x = 15,915,368,211,649/2,607,964
  6. Step 6: Final answer
    x = 6,102,602.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.