Finding the Third Proportional to 487,776 and 1,028,688
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Solution
The third proportional to 487,776 and 1,028,688 is: 2,169,436.38
Step by Step Solution
- Step 1: Write the proportion equation
487,776 : 1,028,688 = 1,028,688 : x - Step 2: Convert to fraction form
487,776/1,028,688 = 1,028,688/x - Step 3: Cross multiply
487,776x = 1,028,688 × 1,028,688 - Step 4: Simplify right side
487,776x = 1,058,199,001,344 - Step 5: Solve for x
x = 1,058,199,001,344/487,776 - Step 6: Final answer
x = 2,169,436.38
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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.