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Finding the Third Proportional to 56,141,387.63 and 122,865,455.63

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Solution

The third proportional to 56,141,387.63 and 122,865,455.63 is: 268,891,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141,387.63 : 122,865,455.63 = 122,865,455.63 : x
  2. Step 2: Convert to fraction form
    56,141,387.63/122,865,455.63 = 122,865,455.63/x
  3. Step 3: Cross multiply
    56,141,387.63x = 122,865,455.63 × 122,865,455.63
  4. Step 4: Simplify right side
    56,141,387.63x = 15,095,920,185,938,844
  5. Step 5: Solve for x
    x = 15,095,920,185,938,844/56,141,387.63
  6. Step 6: Final answer
    x = 268,891,112.68

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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.