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Finding the Third Proportional to 879,684,702 and 1,290,769,938

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Solution

The third proportional to 879,684,702 and 1,290,769,938 is: 1,893,959,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,684,702 : 1,290,769,938 = 1,290,769,938 : x
  2. Step 2: Convert to fraction form
    879,684,702/1,290,769,938 = 1,290,769,938/x
  3. Step 3: Cross multiply
    879,684,702x = 1,290,769,938 × 1,290,769,938
  4. Step 4: Simplify right side
    879,684,702x = 1,666,087,032,844,523,776
  5. Step 5: Solve for x
    x = 1,666,087,032,844,523,776/879,684,702
  6. Step 6: Final answer
    x = 1,893,959,311.85

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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.