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Finding the Third Proportional to 920,640,192 and 1,971,870,528

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Solution

The third proportional to 920,640,192 and 1,971,870,528 is: 4,223,445,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,640,192 : 1,971,870,528 = 1,971,870,528 : x
  2. Step 2: Convert to fraction form
    920,640,192/1,971,870,528 = 1,971,870,528/x
  3. Step 3: Cross multiply
    920,640,192x = 1,971,870,528 × 1,971,870,528
  4. Step 4: Simplify right side
    920,640,192x = 3,888,273,379,194,998,784
  5. Step 5: Solve for x
    x = 3,888,273,379,194,998,784/920,640,192
  6. Step 6: Final answer
    x = 4,223,445,177.59

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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.