Home / 151,628,802.75-216,681,500.25

Finding the Third Proportional to 151,628,802.75 and 216,681,500.25

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Solution

The third proportional to 151,628,802.75 and 216,681,500.25 is: 309,643,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,628,802.75 : 216,681,500.25 = 216,681,500.25 : x
  2. Step 2: Convert to fraction form
    151,628,802.75/216,681,500.25 = 216,681,500.25/x
  3. Step 3: Cross multiply
    151,628,802.75x = 216,681,500.25 × 216,681,500.25
  4. Step 4: Simplify right side
    151,628,802.75x = 46,950,872,550,590,752
  5. Step 5: Solve for x
    x = 46,950,872,550,590,752/151,628,802.75
  6. Step 6: Final answer
    x = 309,643,495.82

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.