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Finding the Third Proportional to 388,854,232 and 917,927,140

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Solution

The third proportional to 388,854,232 and 917,927,140 is: 2,166,853,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,854,232 : 917,927,140 = 917,927,140 : x
  2. Step 2: Convert to fraction form
    388,854,232/917,927,140 = 917,927,140/x
  3. Step 3: Cross multiply
    388,854,232x = 917,927,140 × 917,927,140
  4. Step 4: Simplify right side
    388,854,232x = 842,590,234,348,579,584
  5. Step 5: Solve for x
    x = 842,590,234,348,579,584/388,854,232
  6. Step 6: Final answer
    x = 2,166,853,707.66

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.