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Finding the Third Proportional to 13,215,490 and 18,610,602

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Solution

The third proportional to 13,215,490 and 18,610,602 is: 26,208,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,490 : 18,610,602 = 18,610,602 : x
  2. Step 2: Convert to fraction form
    13,215,490/18,610,602 = 18,610,602/x
  3. Step 3: Cross multiply
    13,215,490x = 18,610,602 × 18,610,602
  4. Step 4: Simplify right side
    13,215,490x = 346,354,506,802,404
  5. Step 5: Solve for x
    x = 346,354,506,802,404/13,215,490
  6. Step 6: Final answer
    x = 26,208,222.84

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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.