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Finding the Third Proportional to 5,196,641,393 and 12,125,915,658

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Solution

The third proportional to 5,196,641,393 and 12,125,915,658 is: 28,294,781,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196,641,393 : 12,125,915,658 = 12,125,915,658 : x
  2. Step 2: Convert to fraction form
    5,196,641,393/12,125,915,658 = 12,125,915,658/x
  3. Step 3: Cross multiply
    5,196,641,393x = 12,125,915,658 × 12,125,915,658
  4. Step 4: Simplify right side
    5,196,641,393x = 147,037,830,544,929,570,816
  5. Step 5: Solve for x
    x = 147,037,830,544,929,570,816/5,196,641,393
  6. Step 6: Final answer
    x = 28,294,781,075.91

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.