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Finding the Third Proportional to 7,042,149 and 15,429,303

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Solution

The third proportional to 7,042,149 and 15,429,303 is: 33,805,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,149 : 15,429,303 = 15,429,303 : x
  2. Step 2: Convert to fraction form
    7,042,149/15,429,303 = 15,429,303/x
  3. Step 3: Cross multiply
    7,042,149x = 15,429,303 × 15,429,303
  4. Step 4: Simplify right side
    7,042,149x = 238,063,391,065,809
  5. Step 5: Solve for x
    x = 238,063,391,065,809/7,042,149
  6. Step 6: Final answer
    x = 33,805,503.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.