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Finding the Third Proportional to 369,210,272 and 787,846,528

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Solution

The third proportional to 369,210,272 and 787,846,528 is: 1,681,161,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,210,272 : 787,846,528 = 787,846,528 : x
  2. Step 2: Convert to fraction form
    369,210,272/787,846,528 = 787,846,528/x
  3. Step 3: Cross multiply
    369,210,272x = 787,846,528 × 787,846,528
  4. Step 4: Simplify right side
    369,210,272x = 620,702,151,681,654,784
  5. Step 5: Solve for x
    x = 620,702,151,681,654,784/369,210,272
  6. Step 6: Final answer
    x = 1,681,161,654.36

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.