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Finding the Third Proportional to 13,210,506 and 18,603,387

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Solution

The third proportional to 13,210,506 and 18,603,387 is: 26,197,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,506 : 18,603,387 = 18,603,387 : x
  2. Step 2: Convert to fraction form
    13,210,506/18,603,387 = 18,603,387/x
  3. Step 3: Cross multiply
    13,210,506x = 18,603,387 × 18,603,387
  4. Step 4: Simplify right side
    13,210,506x = 346,086,007,871,769
  5. Step 5: Solve for x
    x = 346,086,007,871,769/13,210,506
  6. Step 6: Final answer
    x = 26,197,785.90

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.