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Finding the Third Proportional to 155,421,633 and 340,044,843

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Solution

The third proportional to 155,421,633 and 340,044,843 is: 743,979,412.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421,633 : 340,044,843 = 340,044,843 : x
  2. Step 2: Convert to fraction form
    155,421,633/340,044,843 = 340,044,843/x
  3. Step 3: Cross multiply
    155,421,633x = 340,044,843 × 340,044,843
  4. Step 4: Simplify right side
    155,421,633x = 115,630,495,250,894,656
  5. Step 5: Solve for x
    x = 115,630,495,250,894,656/155,421,633
  6. Step 6: Final answer
    x = 743,979,412.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.