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Finding the Third Proportional to 551,865,528 and 865,715,364

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Solution

The third proportional to 551,865,528 and 865,715,364 is: 1,358,053,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,865,528 : 865,715,364 = 865,715,364 : x
  2. Step 2: Convert to fraction form
    551,865,528/865,715,364 = 865,715,364/x
  3. Step 3: Cross multiply
    551,865,528x = 865,715,364 × 865,715,364
  4. Step 4: Simplify right side
    551,865,528x = 749,463,091,465,652,480
  5. Step 5: Solve for x
    x = 749,463,091,465,652,480/551,865,528
  6. Step 6: Final answer
    x = 1,358,053,825.51

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.