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Finding the Third Proportional to 13,445,440 and 28,780,928

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Solution

The third proportional to 13,445,440 and 28,780,928 is: 61,607,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,440 : 28,780,928 = 28,780,928 : x
  2. Step 2: Convert to fraction form
    13,445,440/28,780,928 = 28,780,928/x
  3. Step 3: Cross multiply
    13,445,440x = 28,780,928 × 28,780,928
  4. Step 4: Simplify right side
    13,445,440x = 828,341,816,541,184
  5. Step 5: Solve for x
    x = 828,341,816,541,184/13,445,440
  6. Step 6: Final answer
    x = 61,607,639.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.