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Finding the Third Proportional to 141,709,063.50 and 211,825,840.50

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Solution

The third proportional to 141,709,063.50 and 211,825,840.50 is: 316,635,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,709,063.50 : 211,825,840.50 = 211,825,840.50 : x
  2. Step 2: Convert to fraction form
    141,709,063.50/211,825,840.50 = 211,825,840.50/x
  3. Step 3: Cross multiply
    141,709,063.50x = 211,825,840.50 × 211,825,840.50
  4. Step 4: Simplify right side
    141,709,063.50x = 44,870,186,703,531,440
  5. Step 5: Solve for x
    x = 44,870,186,703,531,440/141,709,063.50
  6. Step 6: Final answer
    x = 316,635,969.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.