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Finding the Third Proportional to 356,319,324 and 745,217,820

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Solution

The third proportional to 356,319,324 and 745,217,820 is: 1,558,572,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,319,324 : 745,217,820 = 745,217,820 : x
  2. Step 2: Convert to fraction form
    356,319,324/745,217,820 = 745,217,820/x
  3. Step 3: Cross multiply
    356,319,324x = 745,217,820 × 745,217,820
  4. Step 4: Simplify right side
    356,319,324x = 555,349,599,245,552,384
  5. Step 5: Solve for x
    x = 555,349,599,245,552,384/356,319,324
  6. Step 6: Final answer
    x = 1,558,572,779.64

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.