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Finding the Third Proportional to 10,358,174 and 15,681,153

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Solution

The third proportional to 10,358,174 and 15,681,153 is: 23,739,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,174 : 15,681,153 = 15,681,153 : x
  2. Step 2: Convert to fraction form
    10,358,174/15,681,153 = 15,681,153/x
  3. Step 3: Cross multiply
    10,358,174x = 15,681,153 × 15,681,153
  4. Step 4: Simplify right side
    10,358,174x = 245,898,559,409,409
  5. Step 5: Solve for x
    x = 245,898,559,409,409/10,358,174
  6. Step 6: Final answer
    x = 23,739,566.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.