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Finding the Third Proportional to 9,909,321 and 15,160,148

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Solution

The third proportional to 9,909,321 and 15,160,148 is: 23,193,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909,321 : 15,160,148 = 15,160,148 : x
  2. Step 2: Convert to fraction form
    9,909,321/15,160,148 = 15,160,148/x
  3. Step 3: Cross multiply
    9,909,321x = 15,160,148 × 15,160,148
  4. Step 4: Simplify right side
    9,909,321x = 229,830,087,381,904
  5. Step 5: Solve for x
    x = 229,830,087,381,904/9,909,321
  6. Step 6: Final answer
    x = 23,193,323.48

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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.