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Finding the Third Proportional to 19,536,768 and 28,719,816

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Solution

The third proportional to 19,536,768 and 28,719,816 is: 42,219,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536,768 : 28,719,816 = 28,719,816 : x
  2. Step 2: Convert to fraction form
    19,536,768/28,719,816 = 28,719,816/x
  3. Step 3: Cross multiply
    19,536,768x = 28,719,816 × 28,719,816
  4. Step 4: Simplify right side
    19,536,768x = 824,827,831,073,856
  5. Step 5: Solve for x
    x = 824,827,831,073,856/19,536,768
  6. Step 6: Final answer
    x = 42,219,257.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.