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Finding the Third Proportional to 619,889,316 and 1,348,737,130

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Solution

The third proportional to 619,889,316 and 1,348,737,130 is: 2,934,542,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,889,316 : 1,348,737,130 = 1,348,737,130 : x
  2. Step 2: Convert to fraction form
    619,889,316/1,348,737,130 = 1,348,737,130/x
  3. Step 3: Cross multiply
    619,889,316x = 1,348,737,130 × 1,348,737,130
  4. Step 4: Simplify right side
    619,889,316x = 1,819,091,845,840,636,928
  5. Step 5: Solve for x
    x = 1,819,091,845,840,636,928/619,889,316
  6. Step 6: Final answer
    x = 2,934,542,988.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.